US3047040A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pneumatic load bearing devices
Assignee: Individual
•
Filing: 1960-01-25
•
Granted: 1962-07-31
•
Expires: 1980-01-25
Abstract
No abstract record available.
Inventors
- 👤 Thomas A O Gross
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:59
CPC Classifications
B; B29; B29D; B29D22/00; B29D22/02; B60; B60C; B60C5/00; B60C5/001; B29K; B29K2021/00; Y; Y10; Y10T; Y10T152/00; Y10T152/10; Y10T152/10495
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
A PNEUMATIC YIELDABLE LOAD BEARING DEVICE COMPRISING AN ENCLOSED CONTAINER HAVING WALL PORTIONS MOVABLE AND EFFECTIVE TO VARY THE VOLUME OF THE CONTAINER, SAID PORTIONS SUPPORTING A LOAD TENDING TO MOVE SAID PORTIONS, AND A GAS WITHIN SAID CONTAINER, SAID GAS BEING UNDER A PRESSURE EFFECTIVE TO SUPPORT SAID LOAD AND HAVING A RATIO OF CP/CV OF NO MORE THAN ABOUT 1.25 AND BEING UN-
Claim 2
Dependent Claim
65 words
A PNEUMATIC YIELDABLE LOAD BEARING DEVICE COMPRISING AN ENCLOSED CONTAINER HAVING WALL PORTIONS MOVABLE AND EFFECTIVE TO VARY THE VOLUME OF THE CONTAINER, SAID PORTIONS SUPPORTING A LOAD TENDING TO MOVE SAID PORTIONS, AND A GAS WITHIN SAID CONTAINER, SAID GAS BEING UNDER A PRESSURE EFFECTIVE TO SUPPORT SAID LOAD AND HAVING A RATIO OF CP/CV OF NO MORE THAN ABOUT 1.25 AND BEING UN-
References Cited (Backward Citations)
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Cited
US1637599A
Cited
US2611607A
Cited
US2805854A
Cited
US2959325A
Cited
US2742321A
Cited
US2950751A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-30 | 1966-01-29 | 1966-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-30 | 1970-01-29 | 1970-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-30 | 1974-01-29 | 1974-07-31 | $7700.00 | Window Closed / Lapsed |